On 7/09/2011 12:54 PM, Shane Stephens wrote: >> >> >> RGB components are represented by 256 values precisely because of >> representational issues - that is, each component is represented by a single >> byte. >> > > Woah. That's a horrible sentence. I blame the fact that I'm sick... Can relate somewhat. > Let me try again: > > There's no reason in color theory why RGB components should be confined to > 256 values. They're this way because the underlying representation is a > byte; which as it turns out is the same as the underlying representation of > the alpha component. > > Cheers, > -Shane I think the reason we have 256 colors per channel is that when tuples of this can generate 16,777,216 colors, it goes way over the 6 millions colors that human can differentiate and a larger share of these 6 million color are outside the sRGB gamut. Anyway the logical expansion would be #RRRGGGBBB and 4,096 colors per channel is just insane. -- Alan Gresley http://css-3d.org/ http://css-class.com/Received on Wednesday, 7 September 2011 03:39:21 UTC
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